Big Raincoats for Big BoysA lot of people think condoms are one-size-fits-all. Not true! There are a variety of great condoms for guys who find the ?average? size of most condoms either a little too big or a little too small. Kimono Microthin Large is an ultra-thin larger-sized condom, and Mambas are a super-strong Swedish condom built with a snugger fit.